
You are running out of both time and options. Unfortunately, the device that is keeping you alive is also killing you.

Heads Up Display from Iron Man I, Iron Man II and The Avengers

Where Steve and Tony both try to confess to one another, but wind up getting cold feet. Cue eye rolling, some groaning and a lot of facepalming from all their friends.
“Smooth, Rogers.”
“I just…I-I tripped!”
“Sure you did. Saw something you like?”
“No!”
“Your blush says otherwise.”
“Shut up, Tony.”

“I’ll see you at home, ‘kay?” says Tony, waving.
Steve watches him go, a little lightheaded and giddy; his heart feeling too tight and too warm for his chest, like he’s about to burst.
He likes it when Tony says the word ‘home’.